33066642 has 32 divisors (see below), whose sum is σ = 75801600. Its totient is φ = 9420048.

The previous prime is 33066637. The next prime is 33066653. The reversal of 33066642 is 24666033.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16659 + ... + 18537.

It is an arithmetic number, because the mean of its divisors is an integer number (2368800).

Almost surely, 2^33066642 is an apocalyptic number.

33066642 is an abundant number, since it is smaller than the sum of its proper divisors (42734958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33066642 is a wasteful number, since it uses less digits than its factorization.

33066642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2310.

The product of its (nonzero) digits is 15552, while the sum is 30.

The square root of 33066642 is about 5750.3601626333. The cubic root of 33066642 is about 320.9692034779.

The spelling of 33066642 in words is "thirty-three million, sixty-six thousand, six hundred forty-two".